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Finding the Fourth Proportional to 62,994.02, 86,931.99 and 34,699.64

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Solution

The fourth proportional to 62,994.02, 86,931.99 and 34,699.64 is: 47,885.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,994.02 : 86,931.99 = 34,699.64 : x
  2. Step 2: Convert to fraction form
    62,994.02/86,931.99 = 34,699.64/x
  3. Step 3: Cross multiply
    62,994.02x = 86,931.99 × 34,699.64
  4. Step 4: Simplify right side
    62,994.02x = 3,016,508,583.99
  5. Step 5: Solve for x
    x = 3,016,508,583.99/62,994.02
  6. Step 6: Final answer
    x = 47,885.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.